#include "ManagedBlasProvider.h"
#include "r_imag.h"

 /* Subroutine */int SmartMathLibrary::Blas::Engine::ManagedBlasProvider::csscal_
   (integer *n, real *sa, complex *cx, integer *incx)
{
  /* System generated locals */
  integer i__1, i__2, i__3, i__4;
  real r__1, r__2;
  complex q__1;
  /* Builtin functions */
  double r_imag(complex*);
  /* Local variables */
  static integer i__, nincx;
  /*  Purpose   
  =======   
  scales a complex vector by a real constant.   
  jack dongarra, linpack, 3/11/78.   
  modified 3/93 to return if incx .le. 0.   
  modified 12/3/93, array(1) declarations changed to array(*)   
  Parameter adjustments */
  --cx;
  /* Function Body */
  if (*n <= 0 ||  *incx <= 0)
  {
    return 0;
  }
  if (*incx == 1)
  {
    goto L20;
  }
  /*        code for increment not equal to 1 */
  nincx =  *n **incx;
  i__1 = nincx;
  i__2 =  *incx;
  for (i__ = 1; i__2 < 0 ? i__ >= i__1: i__ <= i__1; i__ += i__2)
  {
    i__3 = i__;
    i__4 = i__;
    r__1 =  *sa * cx[i__4].r;
    r__2 =  *sa * r_imag(&cx[i__]);
    q__1.r = r__1, q__1.i = r__2;
    cx[i__3].r = q__1.r, cx[i__3].i = q__1.i;
    /* L10: */
  }
  return 0;
  /*        code for increment equal to 1 */
  L20: i__2 =  *n;
  for (i__ = 1; i__ <= i__2; ++i__)
  {
    i__1 = i__;
    i__3 = i__;
    r__1 =  *sa * cx[i__3].r;
    r__2 =  *sa * r_imag(&cx[i__]);
    q__1.r = r__1, q__1.i = r__2;
    cx[i__1].r = q__1.r, cx[i__1].i = q__1.i;
    /* L30: */
  }
  return 0;
} /* csscal_ */
